Determining the Visual Angle of Objects in the Visual Field: An Extended Application of Eye Trackers

Determining the Visual Angle of Objects in the Visual Field: An Extended Application of Eye Trackers

Many eye-tracker systems display the point of central gaze fixation on video images of the viewed environment. We describe here a method for determining the visual angles of objects located in the periphery. Such data are needed to study the potential contributions of peripheral vision during cognit...

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Bibliographic Details
Published in:IEEE transactions on biomedical engineering Vol. 56; no. 3; pp. 910 - 912
Main Authors: Scovil, Carol Y., King, Emily C., Maki $^\ast$, Brian E.
Format: Journal Article
Language:English
Published: United States IEEE 01-03-2009
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Aging
Algorithms
Biomedical engineering
Biomedical imaging
Cameras
Central vision
Displays
eye movements
Eye Movements - physiology
Focusing
gaze behavior
Humans
Image Processing, Computer-Assisted - methods
Models, Theoretical
Motor drives
peripheral vision
saccades
Scholarships
Surgery
visual angles
Visual Field Tests - methods
Visual Fields - physiology
Online Access:Get full text
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Description
Summary:Many eye-tracker systems display the point of central gaze fixation on video images of the viewed environment. We describe here a method for determining the visual angles of objects located in the periphery. Such data are needed to study the potential contributions of peripheral vision during cognitive and motor tasks.
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ISSN:0018-9294
1558-2531
DOI:10.1109/TBME.2008.2005947